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Adapters
  Overview

Adapters

It seems you can always count on something going wrong when selecting or mating the myriad pieces of test hardware into a final test symphony. It could be a delay in delivery on an essential component or perhaps some hardware items do not mate properly; there are a multitude of circumstances that can interrupt a project schedule.

Whatever the reason, you can always count on an RST adaptor to fix the problem. From simple footprint conversions to complex wiring schemes, our innovative adaptor products have solved hundreds of interface problems and they may solve yours. And we set no limitations on quantities – whether you need one or one hundred, we have you covered.

How can an RST Adaptor be of benefit to you?

Below are several adaptor photos to help illustrate our products.  While we anticipate that these photos will provide an idea of our adaptation capabilities, the dynamics of our adaptor program goes far beyond these illustrations,.  Please feel free to contact us with any logistical interface problems you may be having.  Chances are we have a solution for you.

SOCKET CHANGEOVERS CUSTOM BREAK-OUT FIXTURES
F/A TESTER GRID INTERFACE PITCH OR FOOTPRINT CHANGE
REPAIR NET LIST DISCREPANCIES E-BEAM TESTER INTERFACE

Illustrated here is a design model of a typical circuit board adaptor.  This model typically includes a receptacle top to accept the socket of choice with usually one to three circuit cards that route the net list to the required footprint at the bottom of the adaptor.  Typically there are solder tail pins at the bottom for a thru-hole assembly to the PCB. Typically there are solder tail pins at the bottom for a thru-hole assembly to the PCB (some surface mount configurations may also be available). There are a number of peripheral test possibilities using this design, such as optional break-out test points along the edge of the adaptor.  This adaptor design can accommodate numerous socket types and configurations, such as QFP (shown here), BGA, SOIC, PGA, and many more.

This is a photo of an actual circuit card adaptor made for one of our customers.  It characterizes the standard design parameters, utilizing two circuit cards for net list routing, and a receptacle top to accommodate a small QFP socket.  The requirement was to adapt one manufacture’s socket to fit the footprint of another’s.  Apparently DUT boards were already made to accept one socket type, but for some reason the user changed sockets to a different manufacture.  It was more economical and less time consuming to use an adaptor, avoiding a very inconvenient down-time delay.

This adaptor card was used to breakout specific IO positions for test.  They are fed to a connector which attach to peripheral test apparatus.  One of our BGA receptacles was assembled to the card to accept an off-the-shelf clamshell test socket, which in turn will support the DUT. 

Shown here is a design model of an adaptor we made to adapt a surface mounted QFP package to a DUT board accepting thru-hole assembly. This project proved to be a real challenge as there were several design constraints, among which was a very low minimum height requirement. We met the challenge and the project was a success.

This photo is one of our DUT circuit cards shown with two RST Flex sockets installed.  This is one of several daughter cards that mate to a mother board thru several PGA matrix connections.  The mother board (not shown) interfaces with peripheral test equipment, and each daughter card is made to accept one or several of our Flex sockets. This has been an ongoing project that allows our customer to test numerous package configurations at a minimum cost with short lead times.